https://github.com/IITC-College/docker-java-app-distorless

Project Structure

.
├── src/
│   └── Main.java
└── Dockerfile

The application listens on port 3000.

Step 1 — Verify the Environment

Verify:

• Docker is installed
• The src/ directory exists
• Main.java exists inside src/

Do not modify the Java code.

Step 2 — Create the Dockerfile

Create a new file named Dockerfile

Open it in your editor.

Step 3 — Create the Build Stage

The first stage is responsible for compiling the Java application.

Use:

• a full JDK image